Water balance intelligent regulating valve

Abstract

The utility model relates to a water balance intelligent regulating valve which comprises an execution driving circuit, an actuator position and opening degree detection circuit, a main controller and a power supply unit. The power supply unit supplies power to all elements and functional circuits on the main control board; the input end of the execution driving circuit is connected with the output end of the main controller; the output end of the execution driving circuit is connected with the control end of the actuator motor; the input end of the actuator position and opening degree detection circuit is connected with the signal end of an actuator motor, and the output end of the actuator position and opening degree detection circuit is connected with the input end of the main controller. According to the water balance intelligent regulating valve, an actuator motor control mechanism is improved, the system power consumption is reduced, the power supply stability is improved, meanwhile, the working condition state of the valve body is efficiently fed back, parameters such as inlet / return water temperature and pressure at the two ends of the valve body can be synchronously collected, and measurement data uploaded by a meter can be synchronously collected; therefore, comprehensive monitoring of the working state and the operating parameters of the valve body is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of water regulating valves, and in particular to a regulating valve with a water balance intelligent control mechanism. Background Art

[0002] The overall structure of a water flow regulating valve consists of an actuator motor, which controls the valve's opening and closing, and a controller, which controls the motor's operation. The controller controls the valve opening by adjusting the motor's operating angle, thereby regulating water flow. While existing water flow regulating valves offer remote / centralized control, they lack feedback on the valve's operating status. Furthermore, existing water flow regulating valves employ a single power supply method: wired external power supply wiring is cumbersome and consumes high power, while integrated battery-powered power supplies require extensive maintenance. Utility Model Content

[0003] The technical problem to be solved by the present invention is: to overcome the shortcomings of the existing water flow regulating valve that lacks the valve body working condition parameter feedback function and has a single power supply form, and to provide a water balance intelligent regulating valve, which reduces the system power consumption and improves the power supply stability through the improvement of the actuator motor control mechanism, while also achieving efficient feedback of the valve body working condition status, and can synchronously collect parameters such as the inlet / return water temperature and pressure at both ends of the valve body, and upload measurement data from the meter, thereby achieving comprehensive monitoring of the valve body working status and operating parameters.

[0004] This water balance intelligent regulating valve includes an actuator motor for controlling the switching adjustment of the valve body, and also includes an actuator drive circuit and an actuator position and opening detection circuit integrated on the main control board and connected to the actuator motor, as well as a main controller and a power supply unit integrated on the main control board; the actuator drive circuit and the actuator position and opening detection circuit are respectively connected to the output and input ends of the main controller, and the power supply unit supplies power to various components and functional circuits on the main control board, wherein the main controller adopts the HC32L136K8TA single-chip microcomputer, the actuator drive circuit adopts the DRV8837DSGR driver chip, and the actuator position and opening detection circuit adopts an angular position sensor; the input end of the actuator drive circuit is connected to the corresponding pins of the output end of the main controller through the IN1 and IN2 pins, and the output end of the actuator drive circuit is connected to the actuator motor control end through the OUT1 and OUT2 pins; the input end of the actuator position and opening detection circuit is connected to the actuator motor signal end through the G_JC and L_JC terminals, and the output end of the actuator position and opening detection circuit is connected to the corresponding pins of the main controller input end.

[0005] Furthermore, the power supply unit includes a CN4 main interface on the integrated wood main control board, a 5-24V external power supply circuit, and a solar power supply / charging circuit, and the 5-24V external power supply circuit and the solar power supply / charging circuit are connected to the output end of the main interface.

[0006] Furthermore, it also includes an Internet of Things communication circuit serially connected to the main controller, the Internet of Things communication circuit adopts the WH-LET-7S1 communication module, and the Internet of Things communication circuit is connected to the serial port pin of the main controller through the LTE_TXD / LTE_RXD pin.

[0007] Furthermore, it also includes a system activation monitoring circuit, an inlet / return water temperature monitoring circuit, an inlet / return water pressure monitoring circuit, and a heat meter communication data monitoring circuit connected to the main controller.

[0008] Furthermore, it also includes a display interface circuit and a function selection input interface circuit connected to the main controller, the output end of the display interface circuit is connected to an LED indicator light and an LCD segment code screen, and the function selection input interface circuit is connected to a 3-way touch button.

[0009] The utility model discloses an intelligent water balance regulating valve, which overcomes the shortcomings of the existing water regulating valves, such as the lack of valve body working condition parameter feedback function and the single power supply form. The beneficial effects are: through the improvement of the actuator motor control mechanism, while reducing the system power consumption and improving the power supply stability, it also realizes efficient feedback of the valve body working condition status, and can synchronously collect the inlet / return water temperature, pressure and other parameters at both ends of the valve body, and the meter uploads the measurement data, thereby realizing comprehensive monitoring of the valve body working status and operating parameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The following is a further description of the utility model of a water balance intelligent regulating valve with reference to the accompanying drawings:

[0011] Figure 1 This is the wireframe diagram of the logical structure and connection principle of the water balance intelligent regulating valve;

[0012] Figure 2 This is the circuit diagram of the execution drive circuit of the water balance intelligent regulating valve;

[0013] Figure 3 This is the circuit diagram of the actuator position and opening detection circuit of the water balance intelligent regulating valve;

[0014] Figure 4 This is the circuit diagram of the main controller of the water balance intelligent regulating valve;

[0015] Figure 5 This is the circuit diagram of the power supply unit of the water balancing intelligent regulating valve;

[0016] Figure 6 This is the circuit diagram of the Internet of Things communication circuit of the water balance intelligent regulating valve;

[0017] Figure 7This is a circuit diagram of the system activation monitoring circuit of the water balance intelligent regulating valve;

[0018] Figure 8 This is the circuit diagram of the inlet / return water temperature monitoring circuit of the water balance intelligent regulating valve;

[0019] Figure 9 This is the circuit diagram of the inlet / return water pressure monitoring circuit of the water balance intelligent regulating valve;

[0020] Figure 10 This is the circuit diagram of the heat meter communication data monitoring circuit of the water balance intelligent regulating valve;

[0021] Figure 11 This is the circuit diagram of the display interface circuit of the water balance intelligent regulating valve;

[0022] Figure 12 This is a circuit diagram of the function selection input interface circuit of the water balance intelligent regulating valve.

[0023] In the picture:

[0024] 0-Actuator Motor

[0025] 1-Execution drive circuit, 2-Actuator position and opening detection circuit, 3-Main controller, 4-Power supply unit, 5-Internet of Things communication circuit, 6-System activation monitoring circuit, 7-Inlet / return water temperature monitoring circuit, 8-Inlet / return water pressure monitoring circuit, 9-Heat meter communication data monitoring circuit, 10-Display interface circuit, 11-Function selection input interface circuit. DETAILED DESCRIPTION

[0026] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; they can refer to direct connection or indirect connection through an intermediate medium; they can refer to internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] In the description of the present invention, it should be understood that the terms "left", "right", "front", "back", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0028] The technical solution of the present invention is further described below with specific embodiments, but the protection scope of the present invention is not limited to the following embodiments.

[0029] Implementation method 1: Figures 1 to 4As shown, the water balance intelligent regulating valve includes an actuator motor 0 for controlling the valve body switch adjustment, which also includes an execution drive circuit 1 and an actuator position and opening detection circuit 2 integrated on the main control board and connected to the actuator motor 0, as well as a main controller 3 and a power supply unit 4 integrated on the main control board; the execution drive circuit 1 and the actuator position and opening detection circuit 2 are respectively connected to the output and input ends of the main controller 3, and the power supply unit 4 supplies power to various components and functional circuits on the main control board, wherein the main controller 3 adopts the HC32L136K8TA single-chip microcomputer. The actuator drive circuit 1 utilizes the DRV8837DSGR driver chip, while the actuator position and opening detection circuit 2 utilizes an angular position sensor. The input of the actuator drive circuit 1 is connected to the corresponding output pins of the main controller 3 via the IN1 and IN2 pins, while the output of the actuator drive circuit 1 is connected to the actuator motor control terminal via the OUT1 and OUT2 pins. The input of the actuator position and opening detection circuit 2 is connected to the actuator motor signal terminal via the G_JC and L_JC pins, while the output of the actuator position and opening detection circuit 2 is connected to the corresponding input pins of the main controller 3. The core of the main controller is the HC32L136K8TA microcontroller, an ultra-low-power, wide-voltage operating range MCU. It boasts a 48MHz high-speed operating clock and utilizes an ARM Cortex-M0+ 32-bit core. It features a flexible power management system, ultra-low power consumption, and 0.9uA @ 3V deep sleep mode with RTC operation. The device features 64K bytes of high-capacity Flash memory with erase and write protection, up to 56 GPIO pins for peripheral control, multiple 16-bit timers, two UART standard communication interfaces, two LPUART low-power communication interfaces, and deep sleep mode operation. As the main controller, it integrates two SPI standard communication interfaces, two I2C standard communication interfaces, 4x40 / 6x38 / 8x36 LCD segment display driver interfaces, and a 12-bit, high-speed, high-precision SAR ADC with 1Mps sampling. Its built-in op amps can measure weak external signals, and it integrates three multifunctional op amps and a SWD debugging solution, providing a full-featured debugger. Operating under -40°C to 85°C and with a wide 1.8-5.5V power supply, it includes built-in AES and TRNG security modules, offering high integration, strong anti-interference, high reliability, and ultra-low power consumption. The actuator drive circuit, using the DRV8837DSGR driver chip, drives the electric actuator forward and reverse according to commands from the main controller, enabling valve opening and closing, and controlling the motor's forward and reverse switching motion. The actuator position and opening detection circuit uses an angular position sensor to detect the position of the motor actuator. G_JC and L_JC are used to detect when the actuator is fully open and fully closed. This control valve control mechanism achieves low power consumption while efficiently monitoring the operating status of the actuator motor, thereby improving control accuracy and controllability.

[0030] Implementation method 2: Figure 5 As shown, the power supply unit 4 includes a CN4 main interface on the integrated wood main control board, a 5-24V external power supply circuit, and a solar power supply / charging circuit. The 5-24V external power supply circuit and the solar power supply / charging circuit are connected to the output end of the main interface. Pins 1 and 2 of the CN4 main interface are used to connect to a 5-24VDC power input. The XL1509-5.0E1 chip in the 5-24V external power supply circuit steps down the 5-24VDC wide voltage to 5V for powering subsequent circuits. The AMS1117-3.3V chip then converts the 5VDC to 3.3V for powering subsequent chips. Pins 5 and 6 of the CN4 main interface are used to connect to a 5V2A solar panel. A rechargeable 4.2V lithium battery is inserted through the CN6 plug-in terminal. The rechargeable lithium battery is charged using the X54054K421MR-G lithium battery charging chip circuit, and then powers the main control board. Pins 7 and 8 of the CN4 main interface are used to directly power the main control board by inserting a 3.6V disposable lithium battery through the CN6 plug-in terminal. This allows for the combined use of multiple power supply methods, ensuring the stability of the main control board's power supply. The remaining structures and components are as described in Implementation 1 and will not be repeated here.

[0031] Implementation method 3: Figure 6 As shown, the device also includes an IoT communication circuit 5 serially connected to the main controller 3. This IoT communication circuit 5 utilizes a WH-LET-7S1 communication module and connects to the serial port pins of the main controller 3 via the LTE_TXD / LTE_RXD pins. Device networking control is achieved through a separate IoT module. The WH-LET-7S1 can be used to switch the device to 4G or NB-IOT communication for communication and control with the cloud server. Within the WH-LET-7S1 peripheral circuit, LED 11 is a network link indicator, LED 10 is a network operation indicator, LED 9 is a network module power-on indicator, DTU_POWER is a network module power-on control pin, and RESET is a network module reset control pin, directly connected to a microcontroller pin, thereby enabling remote control and status monitoring of the valve body. The remaining structures and components are as described in Implementation 1 and will not be repeated here.

[0032] Implementation 4: Figures 7 to 10As shown, the system also includes a system activation monitoring circuit 6, an inlet / return water temperature monitoring circuit 7, an inlet / return water pressure monitoring circuit 8, and a heat meter communication data monitoring circuit 9, all connected to the main controller 3. The system activation monitoring circuit uses a reed switch to monitor the external electromagnet used to activate the device to wake up from low-power mode to normal operating mode. The inlet / return water temperature monitoring circuit monitors the pipeline inlet water temperature via the NTC10K_1_ADC branch and the pipeline return water temperature via the NTC10K_2_ADC branch. The inlet / return water pressure monitoring circuit communicates with the inlet and return water pressure sensors via the SP3485 communication chip to monitor the inlet and return water pressures collected by the sensors. The heat meter communication data monitoring circuit is used to connect to a meter to monitor heat meter data. The remaining structures and components are as described in Implementation 1 and will not be repeated here.

[0033] Implementation 5: Figures 11 to 12 As shown, the device also includes a display interface circuit 10 and a function selection input interface circuit 11 connected to the main controller 3. The output of the display interface circuit 10 is connected to an LED indicator and an LCD segment code screen. The function selection input interface circuit 11 is connected to a three-way touch button. The LED indicators include LED1 for displaying the inlet water temperature, LED2 for displaying the return water temperature, LED3 for displaying the inlet water pressure, LED4 for displaying the return water pressure, LED5 for displaying the temperature, LED6 for displaying the pressure difference, LED7 for displaying the flow rate, and LED8 for displaying the valve opening. The segment code screen is used to display specific content parameters. The function selection input interface circuit uses a BS813A-1 touch chip to monitor the status of the three touch buttons used to switch between different displayed information. The remaining structure and components are as described in Implementation 1 and will not be repeated here.

[0034] This water balance intelligent regulating valve overcomes the shortcomings of existing water regulating valves, such as the lack of valve body operating parameter feedback function and the single power supply form. By improving the actuator motor control mechanism, it reduces system power consumption and improves power supply stability while also achieving efficient feedback of the valve body operating status. It can also synchronously collect parameters such as the inlet / return water temperature and pressure at both ends of the valve body, and upload measurement data from the meter, thereby achieving comprehensive monitoring of the valve body working status and operating parameters.

[0035] The above description shows the main features, basic principles, and advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments or examples, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, the above embodiments or examples should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0036] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A water balance intelligent regulating valve, comprising an actuator motor (0) for controlling the on / off adjustment of a valve body, characterized by: The system further comprises an actuator drive circuit (1) and an actuator position and opening detection circuit (2) integrated on a main control board and connected to the actuator motor (0), as well as a main controller (3) and a power supply unit (4) integrated on the main control board; the actuator drive circuit (1) and the actuator position and opening detection circuit (2) are respectively connected to the output and input ends of the main controller (3); the power supply unit (4) supplies power to various components and functional circuits on the main control board, wherein: The main controller (3) adopts a HC32L136K8TA single-chip microcomputer, the execution drive circuit (1) adopts a DRV8837DSGR driver chip, and the actuator position and opening detection circuit (2) adopts an angular position sensor; the input end of the execution drive circuit (1) is connected to the corresponding pins of the output end of the main controller (3) through the IN1 and IN2 pins, and the output end of the execution drive circuit (1) is connected to the actuator motor control end through the OUT1 and OUT2 pins; the input end of the actuator position and opening detection circuit (2) is connected to the actuator motor signal end through the G_JC and L_JC terminals, and the output end of the actuator position and opening detection circuit (2) is connected to the corresponding pins of the input end of the main controller (3).

2. The water balance intelligent regulating valve according to claim 1 is characterized by: The power supply unit (4) comprises a CN4 main interface integrated on the main control board, a 5-24V external power supply circuit, and a solar power supply / charging circuit, wherein the 5-24V external power supply circuit and the solar power supply / charging circuit are connected to the output end of the main interface.

3. The water balance intelligent regulating valve according to claim 2 is characterized by: It also includes an Internet of Things communication circuit (5) serially connected to the main controller (3), wherein the Internet of Things communication circuit (5) adopts a WH-LET-7S1 communication module, and the Internet of Things communication circuit (5) is connected to the serial port pins of the main controller (3) via LTE_TXD / LTE_RXD pins.

4. The water balance intelligent regulating valve according to claim 3 is characterized by: It also includes a system activation monitoring circuit (6), an inlet / return water temperature monitoring circuit (7), an inlet / return water pressure monitoring circuit (8), and a heat meter communication data monitoring circuit (9) connected to the main controller (3).

5. The water balance intelligent regulating valve according to claim 4 is characterized by: The invention also comprises a display interface circuit (10) and a function selection input interface circuit (11) connected to the main controller (3); an output end of the display interface circuit (10) is connected to an LED indicator light and an LCD segment code screen; and the function selection input interface circuit (11) is connected to three touch buttons.

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